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6 Commits

Author SHA1 Message Date
Benjamin Kramer 01b75cc0f2 Test case hygiene. 
llvm-svn: 176772
 2013-03-09 18:25:40 +00:00
NAKAMURA Takumi 68d1700eae test/CodeGen/X86/fp-fast.ll: Add +avx. 
llvm-svn: 167207
 2012-11-01 02:13:45 +00:00
Owen Anderson b351c8d692 Add a few more simple fast-math constant propagations and cancellations. 
llvm-svn: 167200
 2012-11-01 02:00:53 +00:00
NAKAMURA Takumi d35a4ff88b llvm/test/CodeGen/X86/fp-fast.ll: Suppress FMA4 on AMD Bulldozer host, corresponding to r162999. 
llvm-svn: 163041
 2012-09-01 00:26:28 +00:00
Owen Anderson d1545e3715 Try to make this test more generic to unbreak buildbots. 
llvm-svn: 162958
 2012-08-30 23:51:20 +00:00
Owen Anderson cc61f87cf7 Teach the DAG combiner to turn chains of FADDs (x+x+x+x+...) into FMULs by constants. This is only enabled in unsafe FP math mode, since it does not preserve rounding effects for all such constants. 
llvm-svn: 162956
 2012-08-30 23:35:16 +00:00